What is Canine Distemper?

Zeynep Balkan
4 min readJan 7, 2021

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Canine Distemper is a infectious disease caused by a contagious and lethal virus called Canine Distemper Virus (CDV) that affects canines’ respiratory, gastrointestinal and nervous systems.

Canine Distemper Virus (captured in blood smear)

It is very common among countries without proper vaccination campaigns for pets and strays since it can be transmitted through airborne exposure and shared materials. Mother dogs can also infect their young by placenta. Even if the animal recovers, they shed the virus for months afterwards, making it possible for them to infect more.

A young puppy infected with Distemper Virus

The virus can also affect wildlife populations such as foxes, wolves, coyotes, raccoons, skunks, mink and ferrets and the presence of the virus has been reported in lions, tigers, leopards and other wild cats as well as seals.

Since canine distemper additionally impacts natural life populaces, contact between wild creatures and homegrown canines can encourage the spread of the infection. Canine distemper flare-ups in nearby raccoon populaces can flag expanded danger for pet canines in the region.

The canine distemper virus also affects the wildlife around the domesticated pet populations. Thus, any exposure to wildlife can help the spread of the virus. Especially in North America where the racoon population is frequently exposed to the domesticated animals, outbreaks in wildlife can be a signal to an increase in the risk for pet dogs.

Risk Groups

All canines are in danger yet puppies smaller than four months old and canines that have not been immunized against canine distemper are at expanded danger of gaining the illness.

Table 1. (Headley& Graça, 2000)

According to the findings of Headley and Graça (2000) “Age ranged from 11 days to 12 months, but the overall average was 1.79 year. Significant age differences were not observed between males and females infected by CDV (Table 1.). Young dogs, between 0 and 1.5 year, were more affected, and contributed to 62.8% (157/250) of all CDV diagnosed cases” confirming that the prevalence of the virus in puppies younger than 1.5 years is much higher.

More information can be read on the full article here.

What are the side effects of canine distemper?

At first, contaminated canines will create watery to discharge like release from their eyes. They at that point create fever, nasal release, hacking, laziness, diminished hunger, and regurgitating.

As the infection attacks the sensory system, contaminated canines create revolving around conduct, head tilt, muscle jerks, spasms with jaw biting developments and salivation (“chewing gum fits”), seizures, and halfway or complete loss of motion. The infection may likewise make the footpads thicken and solidify, prompting its moniker “hard pad sickness.”

A dog during the neurological phase of the disease

In wild life, disease with canine sickness intently takes after rabies.

Sickness is regularly lethal, and canines that endure normally have perpetual, unsalvageable sensory system harm.

How is canine distemper diagnosed and treated?

Veterinarians analyze canine distemper through clinical appearance and research center testing. There is no remedy for canine distemper disease. Treatment regularly comprises of steady consideration and endeavors to forestall auxiliary contaminations; control regurgitating, the runs and neurologic indications; and battle lack of hydration through organization of liquids. Canines contaminated with canine distemper be isolated from different canines to limit the danger of additional disease.

Although there is no definitive cure, there are experimental approaches to the disease problem that should be considered such as the usage of Recombinant Newcastle disease vaccine and the usage of antiviral agents such as Favipiravir and Remdesivir which are frequently used antiviral drugs in the treatment of Coronavirus Disease 2019 (COVID-19).

Antiviral efficacy of favipiravir against canine distemper virus was shown in an article made by Xue et al. in Septemper 2019 showing promising results in vitro (studies conducted on microorganisms, cells, or biological compounds outside their normal biological context).

https://www.researchgate.net/publication/335584205_Antiviral_efficacy_of_favipiravir_against_canine_distemper_virus_infection_in_vitro

How is canine distemper prevented?

American Veterinary Medical Association recommends the following to prevent the spread:

A series of vaccinations called the karma vaccinations are administered to puppies to increase the likelihood of building immunity when the immune system has not yet fully developed.

Avoid gaps in the immunization schedule and make sure distemper vaccinations are up to date.

Avoid contact with infected animals and wildlife.

Use caution when socializing young doggies or unvaccinated canines at parks, little dog classes, dutifulness classes, doggy day care and different spots where canines can gather.

More information can be found in the American Veterinary Medical Association website.

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Zeynep Balkan
Zeynep Balkan

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